Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20806521 (number)

20806521 is an odd 8-digits composite number following 20806520 and preceding 20806522. In scientific notation, it is written as 2.0806521 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13055040 positive integers (up to 20806521) that are relatively prime to 20806521.

Interesting facts

20806521 has 8 divisors, whose sum is 29373984
The reverse of 20806521 is 12560802
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty million eight hundred six thousand five hundred twenty-one

Notation

Scientific notation	2.0806521 × 10^7
Engineering notation	2.0806521 × 10^6

Prime Factorization of 20806521

Prime Factorization 3 × 17 × 407971

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20806521	Product of the distinct prime numbers

The prime factorization of 20806521 is 3 × 17 × 407971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 92, 1, 979, 679, 6330, 7449, 56975, 89620, 875458, 812457, 940671, 7482201, 24771439, 78725032, 187245078, 43121900, 9791012257, 96713172

Basic calculations (n = 20806521)

Multiplication

n×y

n×2	41613042
n×3	62419563
n×4	83226084
n×5	104032605

Division

n÷y

n÷2	10403260.5
n÷3	6935507
n÷3	5201630.25
n÷5	4161304.2

Exponentiation

n^y

n²	432911316123441
n³	9.00737839006E+21
n⁴	1.8741220762773E+29
n⁵	3.8993960336627E+36

Nth Root

^y√n

²√n	4561.4165562904
³√n	275.04251023272
⁴√n	67.5382599442
⁵√n	29.083046242004

Divisors of 20806521

1, 3, 17, 51, 407971, 1223913, 6935507, 20806521

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20806520	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20806521 can be divided by 8 positive divisors. The sum of these divisors (counting 20806521) is 1, the average is 0.125.

Base conversion 20806521

Base	System	Value
2	Binary	1001111010111101101111001
3	Ternary	1110011002011220
4	Quaternary	1033113231321
5	Quinary	20311302041
6	Senary	2021542253
8	Octal	117275571
10	Decimal	20806521
12	Duodecimal	6b74989
16	Hexadecimal	13d7b79
20	Vigesimal	6a0g61
36	Base36	cdyex

Cryptographic Hash Functions

md5	b2c87dfcc2cf707f9ee897618eba0351
sha1	a58dc2e4dd8780225c29b5da8b23216dc31d6348
sha256	3d22226d0e9b2e0813c65b24e593bb9ea369120b2108bcbccf39cd0561154970
sha512	6288c98906aa863a963b4684646ce1a405f73eff7a39e0a1bf46a8abdc8fe268ecd9421fb3604cf7b1a80f854ff1bc546dddb04ea67d27db22cde22d028cbe3c
ripemd-160	86b1f58f540f93494fc8006e01e1e2b247a02caa

20806521 as geometric shapes

Circle

Radius = n

Diameter	41613042
Circumference	130731227.04072
Area	1.3600310103893E+15

Sphere

Radius = n

Volume	3.7730018371088E+22
Surface area	5.4401240415572E+15
Circumference	130731227.04072

Square

Length = n

Perimeter	83226084
Area	432911316123441
Diagonal	29424864.184001

Cube

Length = n

Surface area	2597467896740646
Volume	9.00737839006E+21
Space diagonal	36037951.500749

Equilateral Triangle

Length = n

Perimeter	62419563
Area	1.8745609867433E+14
Altitude	18018975.750374

Triangular Pyramid

Length = n

Surface area	1.8745609867433E+14
Volume	1.0615297233874E+21
Height	9808288.0613335